The value of each small rectangle is 1 animal.
The ratio of cats to dogs at the kennel is 4:5.
If we represent the number of cats as 4x and the number of dogs as 5x, we can set up the equation 4x + 5x = 27 to find the value of x.
Solving this equation, we get 9x = 27, so x = 3.
Therefore, there are 4(3) = 12 cats and 5(3) = 15 dogs at the kennel.
To find the value of each small rectangle, we can divide the total number of animals (27) by the number of rectangles.
Since there are 12 cats and 15 dogs, there are a total of 27 animals.
If there are 12 rectangles representing cats and 15 rectangles representing dogs, we can divide 27 by the total number of rectangles to find the value of each rectangle.
Therefore, each small rectangle represents 27/27 = 1 animal.